Telegraph system.



A. H, ADAMS L A. F. DIXON.

TBLEGRAPH SYSTEM. APPICAUON FILED rm.1e,1912,

Patented Aug. 18, 1914.

2 SHEETSSHEHT 1. L

""L'l "nl /n Verf/fom.'

l sinned that she desires to print on the record.`

controlling apparatus' .may be Obtained.

UNITED STATES vrATENI?, oFFioE.- t

ARTHUR H. ADAMS, orsARKILL, NEW YORK, ANDI mos F. DIXON, .or NEWARK,

NEw'JEBsEY, AssIGNons To WESTERN A CORPORATION OF IiLLINOrs. Y I

To'zzlfwhom it may concern;

wit-known that we, A-RTHUnH. ADAMS and Aas- F. D1xoNeitizens-of ltheUnited States, re siding at .Sparkill, in the countyjof lorlfland and.State .of `New York, and at Newark, in the county of Essex vandiStateXot New Jelsey, respectively, have invented -a certain Q ew and useful Infrprovement` inj Telef' graph Systems, of which the .fol-lowing -is azull, clear, concise, and exact description.

This invention jrelates to printing telef' graphs and Ihas foigitsprincipal 'ob}ect'tov provide an improved controllingsystem formechanical printers whereby ihigh speed, ac curate operation and a.simplification ofthe Another Ohj'ect of `our invention is to provide a."controllin system ormech'anical printers of a simp ified lfiature andarrangement in which the Controlling impulses 'from a distant stationare transmittedover but two conductors.

In the drawings Figures l and 2 combined illustrate diagranimatically' areceiving system embodying the inventionwith so much' of the mechanicaldetailsof the apparatus as are necessary7 to understand the working ofthe system illustrated Yon Fig. 2 in perspec. tive.

A suiieient description oithe'circuits andapparatus'will appear fromadeta'ilrdescrip-` tion of the operation of the system.

Let it Vhe assumed that theoperator at-the' distant station desires toprint a letter or; character ou the receiving apparatus shownf in Figs.1 and 2. Let it be specifically-as-l ing medium the letter I, and thattherombr;A nation of impulses that will selectively opi erate and printthe letter I is nega-tivesimf pulse over line L, and a positive impulseover, line L2, the two impulses being separated byA an interval of nocurrent. The negativeimpulse arriving over 'the line conductor L),passes through the neutral relay (20;, thej polarized relays 1, 2 and Gto groimdjand back tc battery. Relays G6, 2 and 6 attract theirarmatures closing a circuitwhich may he traced from battery 100 `throughthe string relay 2', winding of relay 42, arma-- ,ture of polar relay 2,armature 72 ofthe cutout relay 103, winding of relay-41,1` armatureA ofneutral relay 67, conductorlll, armature ture"106 .oftheolearingfiouerel BLnc'rRtc coMrANY, OF NEW YORK, N. Y.;

ramoner; sYs'rEm.'

Speclicationof Lettersatnt. Palt'nte-d Ailg'. 18, 1914:. Iappncanonmearpruarym,1era serieu Nagevzni.

contact spring 102 4of the starting'relay`109, 55 `to ground,jsnd .backto battery. `As a result Y,

ofthe closure of thisci-rcuit, Athestring relay- A2, ,1s operatedforming fa "path for current, from .the battery 10,0, through the`Winding and arma-ture thereof, n'indlngsO-.theref 60 lays 21, .23, ,24,25 .and 26 in seri iintlie Order named, cutout relay l'Q-inu i 104;,Yc'ondu'cto` 105, -backf contai'cand rma- 410th-t0 ground;'lheeut-outrelaysjM13-an 1104 .do \65 not operate at .this ,timehecauseofthe f ol-r lowing lowresistanceshntircnitf. conduc-- tor adjacent .to.thevvindinggofZ'.9 through; the winding ofrelay'j42,'-arinature"ofjjelay Vcurrent to `flow Yfromthe battery 100,through the string relay 2'-, andnrmature thereof, relays 21, 23,` 24,25 and 26 in series in the -Order named, cut-out relay 103,-eut-outrelay 104, conductor 105, armature 10G to ground and back tobattery,retaining Vthe string re lay2inlocked condition and operating the:cut-out'relays v103 and 101, which relays at- ;inelnsive. At thebeginning y1'.fthe second impulse of the -combination Which'in the caseoftheletter I, was assumed, to beapositive "impulse arriving over lineconduct-or lL.th'e

impulse passesthrough theneutral relay 67, 95 'thepolar relays 5, 4 and3 tojgronnd'and back to battery energggi'fzingy the relays 6 7 5 andg,closing .the vcircuit which, Ina-y vbe Y of string relay 3f, winding ofrelay 43, and, i109 mature -731of -the cutout relay 103 being opened,`thecircuit.passesthrough locking/-' winding of thefpolar relay 3,through the the armature of the neutral relay G0, con# doctor 141,conductor 108, energizing Wind' 77 of the cut-out relay 101, conductor101,-

ing of the starting relay 109, to ground and ;tract,their armatures 71to PL-and 75.130 77,410

traced-from'hattery 100 through the Winding because of the 'shortcircuit through the-ar.'

string of windings 13, 23, 53 and Gil, through 105 Y mature 110,conductor 113, starting magnet '114, to ground and back to battery. The

#starting magnet 114'is, therefore, energized, attracting its armatureremoving the pawl at the outer end thereof from engagement'with'the-ratchet190 fast on'the type-shaft 115, 'allowing thetype-shaft to revolve inan anti-clockwise direction. The shaft 115revolvles under the influence of the spring 116 and-isbrought to rest bythe radial arm 119 comin nto'envao'e'ment-with the uplifted tguie t endo amature 117 of the" selected type magnet, and-\w ith the character Ion the type-wheel 191 1n printing osition.v Radial airlii'f119contacting with t e armature 117 completes a 'circuit for theclearing-out relay 107, wlii'chfmay be traced from battery 118, Ifradlalar\m'119, armature 117, conductor 120,

'energizmgginding of the rclearing-out relay clearing-outiely ,107attracts its armatures 2106,-and127.` In the meantime the starting relay109, by the attraction of its armatures, as closed =a c ircuit which maybe traced 'm battery 126, armature 125 ofthe reset relay41,-conduotor-124, spacing magnet 122,

armature' 111" and contact spring 102, te ground'and Aback to battery,causing the energizationof the spacing magnet 122 and thefmoving-forwardof the paper carriage through the space of one letter or character, 4

thus -providing ,a clean surface on which to p'rint the same. Theattraction of the armature 106 causcsthe opening of the selectingcircuit, witlfthe exception of what may possibly flow from the battery100,-string relay 3',`relay 43, locking winding of polar relay 3, thewindings of the relays 13, 23, 53 and 63, amature and back contact ofthe neutral relay 66, conductor 14 conductor 108, starting relay-109, togrou and back to battery, .provided the li'ne impulse is not ended andthe polar relay 3 is held'operated by the circuit throu h its operatinwindin On the opening o the circuit t rough t e cut-out relays'103 and104, the armatures 71 to 77 inelusive ,return ,to their normal orretracted position, short-circuiting the locking windlng of the polarrelay 3, rela-ys 13,' 23, 53 and 03, but does not short-circuit thestarting relay 109 because of the open contact ex'- isting betweencontact spring 102 and conductor 101. Upon thecessation of the secnd andback to battery. The

.107 vhasoperated, thevfront contact of the polar relay 3 willopen,breaking the circuit existing through the starting relay 109,causing the'armxitures thereoljtowretu ltol their ing -.-rel ay 109 isdenergized a circuit is closed which may be traced from battery 112,armaturellO, conductor 113,.printing magcontac't spring12`8,of theclearingout relay 107, to ground and backtobattery. The iclosingof thiseircuitca'uses lthe printing magnet A1,21v to attract its armature andthe printin operation now takes place, and Iiwhen t e starter relayisldenergizedits {armatures return to their :retracted position, =and alcircuit s' closed' which may be traced frombatte'ry 112, armature 110',conductor 133, retractor magnetA 132, conductor 131, armature 106, toground and back to battery. The retractor magnet 132 through itsarmature-rotates" the shaft 115 in a clockwise direetion 'a sufficientdistance to break the cirui't closed between the radial arm 119 and fthearmature 117. The breaking of this cir- ;c'uit causes the dfnergizationofthe clearing-out relay 107, which allows its armatures to fall back,breaking the circuit through the :retractor magnet, and all parts ,ofthe deivice return' to normal.

v It will be noted'by` reference to Fig. 2 that the type-wheel 191has-two rows of ordinarily done from thel upper row of characters. if itis desired to print any of the characters shown on the lower row of thetype-wheel a combination of impulses is sent from the distant station toenergize the shift magnet 138, which attracts its armature, and theouter end thereof contacting with the underf-ace of the type-wheel movesthe typcwheel longitudinally of the typeshaft 115 bringing the lower rowof characters into printing position. Let it be :1s-

sumed that the combination of impulses necessary to select and operatethe shift magnet 138'is composed of two impulses, the first negativeover line L2, the-second positive over lines L, and L1, the two impulsesbeing separated by an interval of no current. AThe first impulse of thecombination energizes the relay? and the polar Arelay 4, closing acircuit from battery 100, string relay 4', armature of polar relay 4,armature '74 of the cut-out relay 103,- armatiire of the neutral relay66, conductor 141,

"(102 of thestarting rela1 109, to ground an back to battery. Theclosure of this circuit operates the string relay 4', which attractstraced from battery 100, lower winding and armature of the strin ondimpulse provided the clearing-out relay 139, through the windings of therelays 45,

normal position'. 'Hwever, before the 'start-V characters thereon, andthat printing is .armature V7'?, conductor 101, Contact spring4 itsarmature closing a.c.ircu1t which may be 46, 43, 41 and 42, in series intheordernet 1.21, conductor 129,-armature 127 andrelay 4', conductor Tibj; the dinergizntion of "wi im: the selecting Cii'- 'irrmii Thearmatures, i and mmatur@ M' i'iivziit fram about the 7G ffiimiig mirientto How miniature Zf conductiix' if relay 11G to grmmfi .75

Shift liizignet 138 is x iis m-nmture, and the riiizu'tinfr with theimiicr- ,l 191,v inmvs; the mme .ie shaft iiiinging the 8G i inmtr mwinto priming ,i im' :invit fini tix@ Shih magfiw'li iwwas Rimini ibwilghiin? mix (mi i all i' fi iiw-il. 1] printing' nini HH. :imi dini. iii "ui 1Min :ha churzuiars mi ir" iii-lf yiwwviii-ei i it@ iim'- mg; i. withthe ft iiisiglw iffiiiiiniiimi of impiiises i, li I' uni operata the Z.i'ypfe-Whwi is shifted ii ai? ihr?, #,liii't magnet 138 19,5 *i i ammixes just fiewriud 1 mi wirwar@ the mishift rainy 4G. lin maglia '138is enmgizel'i i'cniiif; m if?, nmmfii posirainy 46 when it niitlm'ts mfiiiwsi fi circuit which may 125 inf/71 'Hiz'firv' 120, :winfuture 1251fif'isifi'uw E50, Conductor 152, ci, 1511, conductor 120, pq, ii/2" toground and back 11:' i-ifnl'iiigwmt relay 10iT iS Q11- 130 ergizedattracting its'armatu ami removing ground from the Selecting circuitabo-ge traced allowing all `arts of the device to te' turn to normal. Tere is a, Winding 155 on the shift lock relay 146 which acts as a lockingl Winding, preventing the falling baalt ci' the armature 1153 as longas any current flows throughstring relay 6', thereby gore venting theoperation ot' the Z type magnet in ease the second impulse of acombination is a long one.

ATo provide for spacing between Successivi Words n relay 43 is providedwhich when looted and operated closes an @neigt/:inwu e cuit for thespacing magnet 122, not i t-ne selection and operation of this ielajv ifinely analogous to that of the shift zu e shift relay a detaildescription considered It is only necessary to noie unnecessary. that:in impedance 159 is provided in trie circuit to the eleariing-ontrrelay 10'? to delay the operation of the clearing-fmt relay nnii utterthe spacing oneration is efnnpleteri.

To reset the paper cngringe alone, 'lie xg relay 41 is selected andenergized, vanish closes a circuit for the reset magnet 13.3. "lo resetythe paper carriage from :my point in its, stroke, and when the paperconfutare Q lem-lies it@ normal or initial pognion to lili the paper toprovide a clean Siu'tmfe im' the next. suvceeding line of characters, :icomlxil mition 0f impulses is seni; from the sliini` Station to Selectand opeydte the piangi-apli relay 12. .The t'iist inw thin combinationoperates Jue pole? i which operating leaves 'the selecting e t in thesame condition as the rst impulse o the shifting operation. The freemailini'pnlw oywmtes the polar relay Q, which Closes a, e mit from battery100, string relay il, wimt ing` of relay 42, armature ofi the polityreim' armature 72 ot the eut-out relay im, 'winding of relay fil,armature of time relay (`7 conductor 141i, etz-mainte lfwlm' 101,Contact, Spring); l t0 A w nml lmflc to battery. it to be :inlet-i u thesolei-,ting circuit pim* s tliz'amgli :fh-f zwigi/:ing windings o1"boil; le Te'v :end beth are onergixed i'nzitul'es 125 and 164,respeiivoly. tmzftion of the armature 125 oi the r luy 4l Closes :icircuit Whieh muy lfe ground :1nd bank to battent'. The domi it tinscircuity enel-,quillethe remit magnet m3( which attracts its armaturei'exno'\,.n'\f the gagement with the contate, pinto nentmi t rr minedimm battery 121i armature 125. continuit@ 1412. conductor 163. 'tenetningun? 1S-Sf momo@ ing :ill the Contact plates '166 to incluA e liloeixgaigeinent with en@ other` and ein in it circuit for the peper liftningfnet 1m, which may ile traced troni irai' y 191i, ai'iniztufezoinluctor 1627 amm :1.1i: ifi/i: :ionflzactoy l I pnpmlift nnag'net135, nluetor VIL @intact platt@ 16?* and lll, to muniti and tinck toflattery. "the zloenre oi i virenit en i @vli't meggmt lili hiel :itt':me, moving tlm 'anzi the nini Siti? poration with the pivot/ell stopf'f'f Y pope? there helnwein m I sinne ilpwm'filv a *ii-dient (livmee toisni'r eleitn i wing! line i Clmyzif'le Slis miniature of ti 'p11 l theeigggag" nent 'iti 1mi., .Y

la t

removing; ground m. the Selefzling circuit nilove trenini, am? n owingfill limit; of the ttm to normal nfwtion.

on the dvftvirxgs :i Sources of ouvrent, i 'whore Snell bam livrent meof the Same ,nl ont? inenten fit the may be :and preferably oie l rent.

i llie: we claim isi l lt ln f: piinting' telegraph the minlnv: tionwith :i iootzilile type :i type-wheel liesii ai i mitm print tu in onsfor inw-mii,

a @renin wheel longitudinally of its axis to bring the.

tion of a rotatable type shaft carrying a pulses. a circuit closed bythe-eiiergizitioni rows of characters thereon, one of the rows being theone from which the priiitingis ordinarily done7 means for moving .thetypeother row of characters intoprinting position and locking the sainein operate'd positiem-aselecting circuit for selectively energizing theVopera-ting means comprising a plurality of branclrcircuits Aandselected by a combination of-tw'o impulses, one, of the' branch circuitsbeing, selected and' 'lockedby the first impulse of the combination, arelay in. the other. branchof theseleeting. circuit vselected andoperated bythefs'econdimpulse o'f. the combination of impulses, aclearing-out relay having an operatingcircuit closed -at the armature.of the` relay in the second branch and operating antrthe essation oi thesecond .impulse to return the selecting circuit to, normal condition. Y

4. In. a printing telegraph the combination with a carriagemovableforward stepby-step,- of 'means to return said carriage tonornial'posit-ion from. any part of; its stroke, comprising a relay, aselecting circuit `for said relay energizedI by a.; 'coiribination of ofsaid relay, saidcircuit including a reset magnet, and releasingnieaiisoperated by the armature of said reset magnet to allow saidcarriage to return to normal.

5. In a printing telegraph:the combina-v tion of a movable papercarriage, means for moving said carriage forward .step-by-stepi as eachcliaracteris printed', a motor for returning said carriage to normalposition, electro-magnetic means 'for starting said motor, an energizingcircuit for said lelectromagnetic iueans, and means for closing saidenergizing circ-iiitselectively operated by aY combination of twoimpulses.

6. In a printing telegraph thecombinatype whccl having two rows ofcharacters thereon, means for moving said type wheel longiti'idinally ofthe shaft for bringing either 'of said rows of' characters into printingposition, said means including an electromagnet having an energizingwinding and a holding winding, means for affecting said energizingwinding, means for energizing said holding winding, and a relayselectively energized by a.r combination of impulses to dcinergiza saidholding winding whereby the type wheel is returned to normal position.

In a printing telegraph system the combination of a i'ilurality ottypeinagnetscach havingr t\\o`energizing windings, said windingsv bi t,arranged iu groups; a select,V ing circuit co'ii'ign'ising a pluralityof branches and operated in response to a combination of'two impulses;and a. selectingr apparatus comprising means energized controlled.thereby for closing abranch of said..seleeting circuit 'through one ofthe windings of--a group of vtype magnets, and 'means operated and.locked by the second impulse of the combination of impulses for closingand locking a second branch of said selecting circuit through a secondgroup of type magnets. j

8. In a printing telegraph system, thc combination oa', rotatable typeshaft carryingl a .plurality of characters thereon, l-mca'ns for.selectively stopping said shaft to bring -anyio said characters into4printingposition, said, means comprising a'selectingcircuit-selectivelyfenergized in response to a room'binati'on of' twoimpulses, a relay in said selecting-circuit, a'cireuit controlled bysaid j'relay and including means for starting the rotation of thcty peshaft, and a clearing-out irelay ope-rating after the printing operationto; return theselecting. circu it to normal.

. 9. In a printing telegraph system, the combination of a 'selectingcircuit., a relayin said circuit selectively operated by a coni'-bination of two impulses, atype sha1' tear-ryling a` type wheel havingtwo rows of char- -agters thereon, shifting means for moving `said typewheel longitudinally of the shaft,-

an energizing circuit for said shifting means closed by the selectedrelay in the selecting circuit, and means included in the energiz-Y in`gcircuit. of the shifting means forgloclring the saine in energizedcondition.

l10. In a printing telegraph systein, the 'combination of a selectingcircuit having two relays therein and selectively operate-d 4by the samecombination ot' impulses, a rotatable type shaft carrying type `wheel,

having two rows of characters thereon and movable longitudinally of theshaft, a. shift magnet having an energizing circuit closed and locked byone of the relays in the sch-ciing circuit whereby the type wheel ismoved longitudinally of .the shaft, and means operated by the closure ofthe energizing circuit for the shift magnet to prevent iluoperation ofthe other relay in the .selecting circuit.

11. In a printingtclcgiaph system, the combination of a selectingcircuit having two relays therein and selectively operati-.d by thesaine combination ofi imiiilses. a rotatable type shaft carrying -a typewheel having tvo rows of characters thereon and movable longitudinallyot the shaft. a shift magnet having an energizing ci rcuit. closed andlocked by one of the relays in the selecting circuit whereby the type.ivliccl is moved longitudinally of the shaft, and means operated by thcclosure of the energizing cir-l cuit forthc shift magnet whereby theopera- -tion nl? the other relay in the selecting cireiii` isprevcnted.-

l1Q. In :i printing telegraph system, a

but not locked on the first impulse, means aicr carriave movable forwardsten by step to printsuccessive characters, in comriage to provide aclean surface for a suc-:L

ceeding line of characters, said meanscomprising a selecting circuithaving two relays therein simultaneously.selectively ener# gized by acombination of two impulses, means operated vby one of said relaysto'allow said carriage to return to its normal position, a paper liftmagnet, an energizing circuit therefor having break point therein closedjointly oy the other magnet in the selecting circuit and by the returnof the carriage to its initial position whereby the paper is movedacross the face'of the paper carriage.

13. In a printing telegraph system the combination of a plurality oftype magnets, each having two windings and selectively energized by acombination of two impulses; a selecting circuit for said type `magnetscomposed of a plurality 0f branches ;.select Y one of ,said 4magnetsbein `ing apparatus comprising means energized but not locked on thefirst impulse, means controlled thereby for closing and locking one ofthe branches of said selecting circuit, and means energized and lockedby the second impulse' o? a combination for closing a second branch ofsaid selecting circuit, common to one winding in'each of the cosedbranches of said selecting circuit, whereb acter selected; and meansoperated at th completion of the recording operation to allow saidselecting circuit to' return tio normal. v

f In witness whereof, we hereunto subscribe our names this 13th day ofFebruary A. D., 1912.

vARTHUR H. ADAMS.

AMOS F. DIXON.

a characterA is selected; means ,for recording the char-4

